... and stainless steel case are available,R22,R407C,R410a,R417A,R134A are for optional.7. Simple installation: rooftop, balcony ... water temperature°C75Maximum output water temperature°C80CompressorTypeRotary(Panasonic or Sanyo)Water side heat exchanger TypeTube-Tube typeAir side ... mode, Discharge temp. Coil temp. Error codeSettingTime, Time On/Off,Water tank temp., Defrosting cycle, Start temp. of ...